Home / 1,101,101.10-1,651,651.65-765,177.90

Finding the Fourth Proportional to 1,101,101.10, 1,651,651.65 and 765,177.90

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Solution

The fourth proportional to 1,101,101.10, 1,651,651.65 and 765,177.90 is: 1,147,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,101.10 : 1,651,651.65 = 765,177.90 : x
  2. Step 2: Convert to fraction form
    1,101,101.10/1,651,651.65 = 765,177.90/x
  3. Step 3: Cross multiply
    1,101,101.10x = 1,651,651.65 × 765,177.90
  4. Step 4: Simplify right side
    1,101,101.10x = 1,263,807,341,078.53
  5. Step 5: Solve for x
    x = 1,263,807,341,078.53/1,101,101.10
  6. Step 6: Final answer
    x = 1,147,766.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.